Some people now not only Skype in their trainers but also a few friends too so they can a) share the cost of an instructor and b) get to still workout together even if they're not in the same room. Skype premium allows group video calling with up to 9 people.

Trainers and new fitness programs are increasingly turning to Skype and other video chat services to bring exercise to clients' homes, offices or hotel rooms—so there's never an excuse not to work up a sweat!

Mandy Ingber is also responsible for keeping Jennifer Aniston's body in such great shape